import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Solution solution = new Solution();
        Scanner scanner = new Scanner(System.in);
        String a= scanner.next();
        String b = scanner.next();
        System.out.println(solution.addBinary(a, b));
    }
}

class Solution {
    public String addBinary(String a, String b) {
        int n=a.length();
        int m=b.length();
        int l=Math.max(n,m);
        String s=" ";
        return s;
    }
}